### Home > MC1 > Chapter 9 > Lesson 9.1.3 > Problem 9-31

9-31.

Since the discount is 20%, that means that the shirt costs 80% of the original price.

Try making a diagram, like the one below, to help you solve this problem.

$24

This problem is very similar to part (a).

10% of $1500 is $150.

$1,050

This problem is very similar to parts (a) and (b).